Pith Number

pith:Z5TNUARU

pith:2014:Z5TNUARUI3DOJUN4JT2PM5BMWE

not attested not anchored not stored refs pending

Remarks on two fourth order elliptic problems in whole space

Baishun Lai, Dong Ye

arxiv:1401.4400 v3 · 2014-01-17 · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z5TNUARUI3DOJUN4JT2PM5BMWE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:04:50.815792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf66da023446c6e4d1bc4cf4f6742cb1114cfce47bcfaf031874100c28adc162

Aliases

arxiv: 1401.4400 · arxiv_version: 1401.4400v3 · doi: 10.48550/arxiv.1401.4400 · pith_short_12: Z5TNUARUI3DO · pith_short_16: Z5TNUARUI3DOJUN4 · pith_short_8: Z5TNUARU

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/Z5TNUARUI3DOJUN4JT2PM5BMWE \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: cf66da023446c6e4d1bc4cf4f6742cb1114cfce47bcfaf031874100c28adc162

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98ad31254a7c765d094a7e39ff0917530f31bfde23c78240688d9b6d54671f5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-01-17T16:23:36Z",
    "title_canon_sha256": "d4479f06ddb16a8626bb51cdba7151d2ca13923ec86966cd93ca3735a56ed8e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4400",
    "kind": "arxiv",
    "version": 3
  }
}